an illustrated training manual International Labour Office text Geneva International Labour Office c1987 monographic vii, 115 p. : ill. ; 24 cm. Includes bibliographical references (p. 2). Forests and forestry Equipment and supplies Handbooks, manuals, etc Logging Handbooks, manuals, etc SD388.5 .W66 1987 9221062171 88156338 UOEL 000 20150710151114.0 000